KL0WN
Unknown2x2Zone 11
License HolderPFEIFER, JOHN W
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- Administrative Update AppliedNov 19, 2025
- Administrative Update AppliedMay 5, 2020
- License RenewedApr 9, 2019
- Administrative Update AppliedApr 24, 2014
- Vanity Callsign GrantedOct 3, 2008
- License IssuedOct 3, 2008
- License CanceledJun 18, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications detected. Monitor the FCC ULS application search to verify before filing.